/*
 *  Copyright 2012 Yuriy Dunko.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.opu.pc.domain.domains.security;

import java.util.HashSet;
import java.util.Set;

import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;
import javax.persistence.Table;

import org.hibernate.annotations.Check;
import org.opu.pc.domain.domains.AbstractDomain;

/**
 * 
 * @author Yuriy Dunko
 */
@Entity
@Table(name = "security_groups")
public class SecurityGroupHolder implements AbstractDomain<SecurityGroup>{

	private static final long serialVersionUID = 6652817452759489351L;

	@Id
    @Enumerated(EnumType.ORDINAL)
    @Check(constraints="id in (0, 1, 2)")
    private SecurityGroup id;
	
	@ManyToMany(targetEntity=User.class)//, mappedBy="user_security")
//    @JoinTable(name = "user_security",
//        joinColumns=
//            @JoinColumn(name = "security_groups_id", referencedColumnName = "id"),
//        inverseJoinColumns=
//            @JoinColumn(name = "user_id", referencedColumnName = "id"))
    private Set<User> users = new HashSet<User>();
	
	public SecurityGroupHolder(SecurityGroup id) {
		this.id = id;
	}
	
	public SecurityGroupHolder() {
	}

    @Override
	public SecurityGroup getId() {
		return id;
	}

    @Override
	public void setId(SecurityGroup id) {
		this.id = id;
	}

	public Set<User> getUsers() {
		return users;
	}

	public void setUsers(Set<User> users) {
		this.users = users;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((id == null) ? 0 : id.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		SecurityGroupHolder other = (SecurityGroupHolder) obj;
		if (id != other.id)
			return false;
		return true;
	}

    @Override
    public String toString() {
        return String.valueOf(id);
    }
}
